package com.lzy.system.im.websocket;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.standard.ServerEndpointExporter;

@Configuration
@EnableWebSocket
public class WebSocketConfiguration implements WebSocketConfigurer {


    @Bean
    public MyWebSocketInterceptor myWebSocketInterceptor() {
        return new MyWebSocketInterceptor();
    }

    @Bean
    public ServerEndpointExporter serverEndpointExporter() {
        return new ServerEndpointExporter();
    }

    /**
     * 注册handler 不同的请求，前往不同的handler
     * 添加拦截器，做握手前的数据处理
     *
     * @param registry
     */
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(new MyWebsocketHandler(), "/websocket/im")
                .setAllowedOrigins("*")
                .addInterceptors(myWebSocketInterceptor());
    }
}
